Today, the sse science and technology innovation board 50 index closed down 0.27% at 691.64 points. On the market, most of the semiconductor sector stocks fell, with Kangxi communication falling by over 14%, Canxin holding, China Resources Microelectronics, and Longtu Light Cover falling by over 4%, Huahaichengke, Bewinner Communications, and Aisen Holdings falling by more than 3%. The photovoltaic sector fell, with Jiangsu Goodwe Power Supply Technology Co.,Ltd. falling by over 5%, Shichuang Energy falling by over 4%, Arlo Energy, and Attes falling one after another. The lithium battery sector was active, with Ningbo Ronbay New Energy Technology rising by over 3%, Xinyu Ren, Liyuanheng, and Zhuhai Guanyu among others rising.